bm = 40, semantic = 40. hybrid = 60, cutoff = 0.5, topk_reranker= 20

index_retriever.py

@@ -16,13 +16,13 @@ def create_query_engine(vector_index):
     try:
         bm25_retriever = BM25Retriever.from_defaults(
             docstore=vector_index.docstore, 
-            similarity_top_k=30 
+            similarity_top_k=40 
         )
         
         vector_retriever = VectorIndexRetriever(
             index=vector_index, 
-            similarity_top_k=30,  
-            similarity_cutoff=0.6
+            similarity_top_k=40,  
+            similarity_cutoff=0.5
         )
         
         hybrid_retriever = QueryFusionRetriever(